SRAM PC 870 Chain - 8 Speed - Silver YGroup_7033680166957 Axle size and style: 15

Axle size and style: 15 x 110 mm

Routing method: External

Includes tool free bracket and USB cable

Output and Runtime: 1

Who's this item for: Riders looking for a great 1x11 derailleur with smooth and seamless performance

SRAM PC 870 Chain - 8 Speed - Silver YGroup_7033680166957 Axle size and style: 15Extremely strong. Incredibly precise. SRAM's PowerChain II increases front and load shifting performance without sacrificing rear shifting precision. The Step2 riveting process increases the Push Pin Power for increased strength and durability. Features: An equally smooth operator on city bike paths and country trails PowerLink's "no weak link" technology lets you insert, press, and lock to join links. No tools needed Links: 114 Weight: 310g